Tractable Query Answering over Ontologies with Datalog± Andrea Cal`ı2,1 , Georg Gottlob1,2 , and Thomas Lukasiewicz1,‡ 1 2

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Date: 2009-07-07 04:46:34		Tractable Query Answering over Ontologies with Datalog± Andrea Cal`ı2,1 , Georg Gottlob1,2 , and Thomas Lukasiewicz1,‡ 1 2 Add to Reading List Source URL: ceur-ws.org Download Document from Source Website File Size: 242,58 KB Share Document on Facebook